12172324206 has 32 divisors (see below), whose sum is σ = 28214327808. Its totient is φ = 3428822880.

The previous prime is 12172324181. The next prime is 12172324211. The reversal of 12172324206 is 60242327121.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2037985 + ... + 2043948.

It is an arithmetic number, because the mean of its divisors is an integer number (881697744).

Almost surely, 2^12172324206 is an apocalyptic number.

12172324206 is an abundant number, since it is smaller than the sum of its proper divisors (16042003602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12172324206 is a wasteful number, since it uses less digits than its factorization.

12172324206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082016.

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 12172324206 in words is "twelve billion, one hundred seventy-two million, three hundred twenty-four thousand, two hundred six".